Obituary: Wubbo Ockels

Astronaut Wubbo Ockels (b.1946) died on May 18. Ockels was the first Dutch astronaut, flying on STS-61-A in 1985, the last successful mission of the Challenger. He was seconded to NASA by the European Space Agency for the flight. Ockels served on the SpaceLab 1 crew and has an asteroid named in his honor.